精餾塔板 的英文怎麼說

中文拼音 [jīngliùtǎbǎn]
精餾塔板 英文
rectifying plate
  • 精 : Ⅰ形容詞1 （經過提煉或挑選的） refined; picked; choice 2 （完美;最好） perfect; excellent 3 （細）...
  • 餾 : 餾動詞（蒸熱熟食） heat up; reheat
  • 板 : Ⅰ名詞1 （片狀硬物體） board; plank; plate 2 （專指店鋪的門板） shutter 3 [音樂] （打拍子的樂器） ...
  1. The test was made on the compound tray, dual flow tray, sieve tray and valve tray for mass transfer efficiency with in - diameter 300 mm column using ethanoi and water system

    在直徑300mm的精餾塔內，以乙醇-水為介質，進行了復合塔板、穿流篩板、篩板和浮閥塔板的傳質效率的研究。
  2. The results indicate that the position of sensitive plates is located at the section of middle or upper in tower but not near by feeding plate, and the smaller reflux ratio, the closer overhead of distillation tower. accurate calculation for flash is solved using matlab, and the result is correct and reasonable. complicated multi - components distillation and crude distillation are simulated using chemcad, and results are reasonable about profiles of flow for vapor and liquid as well as temperature in the tower

    數值分析的結果表明精餾塔靈敏板位置並不在進料板附近，而是位於精餾段的中上部，且迴流比愈小，愈靠近塔頂;利用matlab實現了蒸餾過程的嚴格計算，與參考值比較，結果正確、合理;藉助于chemcad進行常減壓塔的穩態模擬計算，得出了流量和溫度在塔內的分佈，經過理論分析，結果合理，可為實際生產提供參考。
  3. Some of problems in distillation technology process are studied using excel, matlab and chemcad. they are distillation with simple balance, determining accurately the position of sensitive plates in distillation tower, distillation of multi - components, and crude distillation at steady state. this paper shows how to solve bubble & dew points for binary ideal system and five cases of flash by means of excel and analizes reducing pressure affects on phase equilibrium as an example of distillation and separation ethyl benzene & phenyl ethylene below atmosphere

    基於excel 、 matlab和chemcad軟體，對蒸餾過程中的簡單平衡蒸餾、精餾塔靈敏板位置確定方法、多組分精餾等進行了數值計算與定量研究，對原油煉制常減壓塔進行了初步的穩態模擬，實現了用excel求解雙組分理想體系的泡、露點問題和閃蒸計算的五種情況，並分析了減壓對其相平衡的影響。
  4. Results of calculation indicate that the bubble & dew points may be reduced extremely, but the relative volatility rises slightly and the separation of them is affected hardly by decreasing pressure. and this article puts forward more reasonable modifying suggestions after analyzing numerically in detail the common method of determining the position of sensitive plate in distillation tower and finds out something unsatisfactory about it

    計算結果表明，減壓可大大降低乙苯?苯乙烯物系的泡、露點，但相對揮發度增加甚微，對其分離的難易程度幾乎無影響;對常用求取精餾塔靈敏板位置的方法進行了詳盡的數值分析，對其不合理性提出了改進措施。
  5. Without the reflux, no rectification would occur in the rectifying section, and the concentration of the overhead product would be no greater than that of the vapor rising from the feed plate

    假如沒有迴流，精餾段就無精餾作用，塔頂產品的濃度就不可能高於來自加料板的上升蒸汽的濃度。
  6. The development of mass transfer in the system of vapor - liquid - liquid three - phase distillation from trays was introduced, the effects of the hydrodynamic conditions e. g. vapor velocity and ratio of liquid to vapor loading and physical properties of liquid phase, including surface tension, interfacial tension, viscosity or dispersion viscosity, density, relative volatility etc. and the volume ratio of oil to water on mass transfer were discussed systematically, the influence of the second liquid on mass transfer efficiency was also investigated, a gnat deal of viewpoints and suggestions having been put forward in this paper are significant important for optimizing design of distillation tower

    摘要介紹了氣液液三相精餾塔板傳質性能研究的進展情況，討論了氣速、液氣比等操作條件，表面張力、界面張力、液體的粘度或分散粘度、密度和相對揮發度等物系性質以及油水體積比等多種參數對傳質效率的影響，探討了第二液相的存在對傳質的影響，文中的許多觀點獲和建議對于優化精餾塔的設計具有重要的指導意義。
  7. A numeric method for computing limiting concentration of light component in the distillate of binary batch distillation under constant reflux ratio and hold - up in the column is introduced

    摘要介紹了採用恆迴流比操作方法，在塔頂、塔板持液時，間歇精餾二元理想混合物，餾出液中輕組分極限濃度的數值計算方法。
  8. By the addition of an umbrella - shaped baffle above the feed sprayer in the column, the liquid entrainment from the column can be diminished

    在精餾塔進料噴頭上方增設傘形檔板，可以減少精餾塔帶液量。
  9. The influence of packing height, ratio of water to entrainer and acetic acid initial concentration to separation effect of azeotropic distillation was studied in detail. simulation calculations of general distillation and azeotropic distillation were carried out. the influence of reflux ratio, theoretical plate, feed position, feed temperature and feed concentration to distillation process were discussed

    （ 3 ）與普通精餾比較，分離要求相同時，共沸精餾時所需要的理論板數要低於普通精餾所需要的理論板數，迴流比減小，可降低設備投資70萬元，塔釜加熱量減少36 % 。
  10. The reasons of local liquid leakage and difficulty in overhauling of the dead trays in rectifying tower kettle for butadiene extraction were analyzed and the coupling and sealing structure of dead trays were redesigned

    摘要分析了造成丁二烯萃取精餾塔塔釜死塔盤局部漏液和檢修拆裝困難的主要原因，重新設計出由卡板、螺栓和聚四氟乙烯混編盤根組成的死塔盤的聯接與密封結構。
  11. 3. based on the nonequilibrium model, the determination of packing section division for packed column is investigated. it is concluded that the size of packing division can be set the same as ntsm with deviation of less than 1 % for two - phase distillation. however, two times the value of packing ntsm is required for three - phase distillation under the same accuracy

    研究結果表明：對于兩相填料塔精餾過程，填料分段數目可以設為與填料理論板數目相等，其誤差不超過1 ；而對於三相填料塔精餾過程，填料分段數目需設為兩倍填料理論板數目，其誤差才不超過1 。
  12. Simulation and optimization of distillation processes are usually carried out using equilibrium model wherein the vapour phase is assumed to be in equilibrium with the liquid phases leaving the theoretical stages

    精餾過程的模擬和優化計算通常都是基於平衡模型。平衡模型假設離開塔板的汽相與液相處于平衡狀態。
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